12 Week Comparison of 5 Mcg and 10 Mcg of Tiotropium / Respimat, Placebo and Ipratropium MDI in COPD
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DEVICE: 5 mcg once daily tiotropium inhalation solution delivered by the Respimat inhaler
- DEVICE: 10 mcg once daily tiotropium inhalation solution delivered by the Respimat inhaler
Sponsor
Boehringer Ingelheim